Date: Tue, 4 Oct 2011 17:23:41 +0200
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
Subject: Re: Something like a runs test for multinomial data?
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El 04/10/2011 17:16, Bruce Weaver escribió:
> Hi Marta. First, thank you for starting a new thread! Second, I think some
> of the regulars in the sci.stat.* newsgroups might be able to help with
> this. (I'm thinking of people like Ray Koopman, who seems to know just
> about everything about nonparametric tests, and a lot of other things to
> boot.) If you like, I could re-post your question to sci.stat.math.
Sure, do that, please. Also, I'm going to try David suggestion
concerning lagged values.
I leave for my class now. I'm going to ask the student to send me a copy
of the dataset to start trying all the ideas.
> Marta García-Granero-2 wrote:
>> Hi everybody:
>> This is strictly not a SPSS question, but statistical.
>> One of my students has rolled 700 times (he must have a lot of time) a
>> role-playing game dice with 10 faces. We have already solved (through a
>> goodness of fit test) whether the dice is balanced or not, but now he
>> asked me how to test if the sequence is random.
>> I know that runs test needs either a continuous variable (that is
>> dichotomized), or a binary one. I did a bit of Googling (plus looking at
>> every statistics book from my digital collection), and the only ideas I
>> have found are:
>> - Permutation tests (difficult since the sample size is really high,
>> although I could take the first 100 to analyze)
>> - Create a set of binary variables with the presence/absence of each
>> category and run 10 different runs tests.
>> We are also trying to find a way to find out whether one given result
>> (dice face) at position N is followed by certain values, but not by
>> others --> sequence patterns.
>> Any ideas?
>> Best regards,
>> Marta GG
>> Bruce, I DID start a new thread for this message ;)
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> Bruce Weaver
> "When all else fails, RTFM."
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> View this message in context: http://spssx-discussion.1045642.n5.nabble.com/Something-like-a-runs-test-for-multinomial-data-tp4868930p4869013.html
> Sent from the SPSSX Discussion mailing list archive at Nabble.com.
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